obliterate vs wipe out

obliterate is an adjective but wipe out is not an adjective.

Word	Noun	Adjective	Verb	Adverb
obliterate	No	Yes	Yes	No
wipe out	No	No	Yes	No

As verbs, obliterate and wipe out are synonyms defined as:

Other synonyms of obliterate include kill.

obliterate (adjective)	wipe out (adjective)
reduced to nothingness

obliterate (verb)	wipe out (verb)
remove completely from recognition or memory	kill in large numbers
make undecipherable or imperceptible by obscuring or concealing	mark for deletion, rub off, or erase
mark for deletion, rub off, or erase	remove from memory or existence
do away with completely, without leaving a trace	wipe out the effect of something
	use up (resources or materials)
	eliminate completely and without a trace